Created in 1970 to apply the capabilities of public broadcasting to the challenge of environmental education, the Public Broadcasting Environment Center (PBEC) has completed its first planning phase. Goals and objectives have been determined; strategies for action have been envisoned; radio and television programs have been planned; manpower training information, orientation, and technical assistance have been estimated, and funding is being sought. Phase I activities of PBEC are described and 11 projects are reported on. These reports are concerned with surveys, information services, advisory bodies, target audience characterization, project objectives, administration, production of programs, communications, manpower training and coordination, environmental education, and environmental action. "Exhibits" are interspersed in the reports. (MF)